Display IS-IS logical interfaces.
show isis logical-interface [name]
None.
User EXEC
The show isis logical-interface command displays the following information:
Output field |
Description |
---|---|
IFIDX |
Displays an index value for this logical interface. |
NAME |
Displays the administratively assigned name of this logical interface. |
ENCAP TYPE |
Displays whether the encapsulation type for the logical interface is Layer 2 (L2–P2P-VID) or Layer 3 (IP). |
L2_INFO PORT/MLT |
Displays the port or MLT that the logical interface is connected to in an Layer 2 network. |
VIDS (PRIMARY) |
Displays the list of VLANs that are associated with this Layer 2 logical interface. |
TUNNEL DEST-IP |
Displays the destination IP address for the logical interface. |
L3_TUNNEL_NEXT_HOP_INFO PORT/MLT |
Displays the outgoing interface (port or MLT) for VXLAN traffic. |
L3_TUNNEL_NEXT_HOP_INFO VLAN |
Displays the outgoing VLAN interface for VXLAN traffic. |
L3_TUNNEL_NEXT_HOP_INFO VRF |
Displays the name of the VRF that this Layer 3 logical interface is configured on. |
BFD STATUS |
Displays the status of BFD on this logical interface. The status can be enabled or disabled. |
TUNNEL SRC-IP |
Displays the source IP address for a Fabric Extend tunnel. |
Example of a Layer 2 Core (FE-VID):
Switch:1>show isis logical-interface ======================================================================================================================= ISIS Logical Interfaces ======================================================================================================================= IFIDX NAME ENCAP L2_INFO TUNNEL L3_TUNNEL_NEXT_HOP_INFO BFD TUNNEL TYPE PORT/MLT VIDS(PRIMARY) DEST-IP PORT/MLT VLAN VRF STATUS SRC-IP ----------------------------------------------------------------------------------------------------------------------- 1 -- L2-P2P-VID Port2/40 101,201(101) -- -- -- -- disabled -- 2 -- L2-P2P-VID Port1/3 102,202(102) -- -- -- -- disabled -- ----------------------------------------------------------------------------------------------------------------------- 2 out of 2 Total Num of Logical ISIS interfaces -----------------------------------------------------------------------------------------------------------------------
Example of a Layer 3 Core (FE-IP):
Switch:1>show isis logical-interface ======================================================================================================== ISIS Logical Interfaces ======================================================================================================== IFIDX NAME ENCAP L2_INFO TUNNEL L3_TUNNEL_NEXT_HOP_INFO BFD TUNNEL TYPE PORT/MLT VIDS(PRIMARY) DEST-IP PORT/MLT VLAN VRF STATUS SRC-IP -------------------------------------------------------------------------------------------------------- 1 SPBoIP_T1 IP -- -- 50.50.50.9 Port1/25 500 vrf23 disabled 50.50.50.11 2 SPBoIP_T2 IP -- -- 65.65.65.9 MLT10 2 vrf24 disabled 60.60.60.11 -------------------------------------------------------------------------------------------------------- 2 out of 2 Total Num of Logical ISIS interfaces --------------------------------------------------------------------------------------------------------
The command show isis logical-interface truncates the IS-IS logical interface name to the first 16 characters. To view the entire name (up to a maximum of 64 characters), use the command show isis logical-interface name.
Switch:1>show isis logical-interface name ======================================================================================== ISIS Logical Interface name ======================================================================================== ID NAME ---------------------------------------------------------------------------------------- 1 SPBoIP_T1 2 SPBoIP_T2 3 SPBoIP_4K5 6 This_Is_A_50_Character_ISIS_Logical_Interface_Name ---------------------------------------------------------------------------------------- 4 out of 4 Total Num of Logical ISIS interfaces ----------------------------------------------------------------------------------------